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Of Magnets and Mechanism

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Edward G. Neeland

Department of Chemistry, Okanagan University-College, Kelowna, BC Canada

J. Chem. Educ., 2002, 79 (2), p 186

DOI: 10.1021/ed079p186

Publication Date (Web): February 1, 2002

Section:

History, Education, and Documentation

Abstract

Bar magnets overlaid on a drawn molecule and projected using an overhead effectively illustrates the approach of a nucleophile on an electrophilic center and subsequent loss of a leaving group. This practical demonstration facilitates the understanding of electron flow (mechanism) of a reaction.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Organic Chemistry

Keywords (Feature):

Overhead Projector Demonstrations

Keywords (Pedagogy):

Analogies / Transfer

Keywords (Subject):

Magnetic Properties

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

Teaching Reaction Mechanisms Using the Curved Arrow Neglect (CAN) Method
John H. Penn and Abdulrahman G. Al-Shammari
Journal of Chemical Education2008 85 (9), 1291
- Teaching Reaction Mechanisms Using the Curved Arrow Neglect (CAN) Method
  John H. Penn and Abdulrahman G. Al-Shammari
  Journal of Chemical Education2008 85 (9), 1291
  A new method for teaching organic reaction mechanisms that can be used in a computer-assisted Instruction (CAI) environment is proposed and tested. The method concentrates on the intermediate structures that are assumed to be on the reaction coordinate ...
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